#' Neonatal data: separate Mom and Baby into two separate data frames
#'
#'@param df data frame of data
#'@param annotation_columns names of non-numeric columns in data frame
#'@param rename TRUE or FALSE if you want to append _M and _B on cohort-speciific features
#'@export
separate_mvb <- function(df, annotation_columns, rename = TRUE){
baby_df <- dplyr::filter(df, SampleType == "B")
mother_df <- dplyr::filter(df, SampleType == "M")
# test pairs line up
if (identical(baby_df$Pair, mother_df$Pair)){
# restrict to numeric columns
baby_df <- baby_df[, !(colnames(baby_df) %in% annotation_columns)]
mother_df <- mother_df[, !(colnames(mother_df) %in% annotation_columns)]
if (rename == TRUE){
colnames(baby_df) <- paste(colnames(baby_df), "B", sep = "_")
colnames(mother_df) <- paste(colnames(mother_df), "M", sep = "_")
}
df_list <- list(Baby = baby_df, Mother = mother_df)
return(df_list)
} else {
print("Error: ordering doesn't match")
}
}
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